bottleneck equivalent axis
my great strength, bottle form a bottleneck and axle. Bottleneck equivalent axis, the body is equivalent to wheels. Force on the shaft can effort, the role of the wheel is harder, so my strength is big
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bottleneck equivalent axis
瓶颈等效轴
以上为机器翻译结果，长、整句建议使用 人工翻译 。